Home / 1,133,649,907.20-1,700,474,860.80-939,939,662.70

Finding the Fourth Proportional to 1,133,649,907.20, 1,700,474,860.80 and 939,939,662.70

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Solution

The fourth proportional to 1,133,649,907.20, 1,700,474,860.80 and 939,939,662.70 is: 1,409,909,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,649,907.20 : 1,700,474,860.80 = 939,939,662.70 : x
  2. Step 2: Convert to fraction form
    1,133,649,907.20/1,700,474,860.80 = 939,939,662.70/x
  3. Step 3: Cross multiply
    1,133,649,907.20x = 1,700,474,860.80 × 939,939,662.70
  4. Step 4: Simplify right side
    1,133,649,907.20x = 1,598,343,767,090,181,376
  5. Step 5: Solve for x
    x = 1,598,343,767,090,181,376/1,133,649,907.20
  6. Step 6: Final answer
    x = 1,409,909,494.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.